Home / 13,933.48-19,227.94-7,645.80

Finding the Fourth Proportional to 13,933.48, 19,227.94 and 7,645.80

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Solution

The fourth proportional to 13,933.48, 19,227.94 and 7,645.80 is: 10,551.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.48 : 19,227.94 = 7,645.80 : x
  2. Step 2: Convert to fraction form
    13,933.48/19,227.94 = 7,645.80/x
  3. Step 3: Cross multiply
    13,933.48x = 19,227.94 × 7,645.80
  4. Step 4: Simplify right side
    13,933.48x = 147,012,983.65
  5. Step 5: Solve for x
    x = 147,012,983.65/13,933.48
  6. Step 6: Final answer
    x = 10,551.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.